AS3665-ZWLT

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The AS3665-ZWLT is a high performance LED driver and power management integrated circuit (PMIC-LED Drivers). It is used for applications such as controlling the current and brightness of lighting, as well as sunlight harvesting that requires precise regulating of the power supply. It is highly efficient, offering up to 95% power conversion efficiency, making it ideal for applications where power efficiency is critical.The AS3665-ZWLT is based on a switching mode power stage and a linear current regulator. It features a wide input voltage range from 4.2 V to 24V, allowing it to be used in applications with varying levels of power supply. It also allows up to 10 independent current sources, allowing it to power up to 70 LEDs or 30 strings with multiple LEDs each.The device supports a wide range of operating temperatures, making it suitable for outdoor applications. Its operating temperature range is -40°C to +85°C, with the device providing a guaranteed output voltage up to the rated temperature. The device also has a protection circuit to protect against short-circuits, over-voltage and over-temperature, making it safe and reliable to use.In terms of power stage design, the AS3665-ZWLT has a push-pull switch with low RDS(ON) to achieve a high power efficiency. It also has active current sharing function to make sure the output current is consistent for each output. The device also allows for PWM control of the output current allowing for precise regulation.The AS3665-ZWLT is highly efficient and versatile, making it suitable for a wide range of LED applications. It is simple to use, and the power stage design makes it robust and reliable. Combined with its wide operating temperature range, the AS3665-ZWLT makes it an ideal LED driver for outdoor LED applications.

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